Manzhetnye the consolidations applied to rotating shaft, show increased requirements to a condition of the condensed surface. Similar consolidations are established on a shaft gear wheel and a distributor shaft. At appearance of ducks in a zone of a steering shaft it is necessary to replace consolidations, previously having carefully examined and having cleared a condensed surface. The shaft is subject measurement only in the presence of deep defects of a condensed neck. If the neck of a shaft contacting to an edge of consolidation, is slightly injured by corrosion, it is necessary to clear and grind it by means of a thin skin. To replace a shaft follows only if this operation did not lead to elimination of leakages of working liquid.